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MK1004552
About NICHE
NICHE specializes in the highest quality Powersports replacement parts. Our parts meet or exceed the quality of the original parts that come with your machine. Some of the NICHE product categories include cylinders, brake pads, axles, off-road mirrors, and drive chains. Let NICHE components fix your machine today!
NICHE Drive Sprocket and Chain Set MK1004552
O-Ring Drive Chain
- Includes: NICHE Front and Rear Sprocket Set with Drive Chain Kit
- Compatible with the following brands: Polaris
- Compatible with the following models: Scrambler 500, Trail Blazer 400
- Replaces for the following OEM MPN's: 519-KCS1024K-K001
- Front Sprocket Teeth: 13
- Rear Sprocket Teeth: 36
- Chain Model: 520V
- Chain Links: 76
- Chain Pitch: 520 (15.875mm)
NICHE DRIVE SPROCKET
What is a Drive Sprocket?
- Sprockets are rotating parts with teeth that are used in conjunction with a chain to transmit power
- In order for sprockets and chain to be compatible with each other they must both have the same thickness and pitch.
- In order for the sprockets and chain to work effectively, all of the sprockets should be on parallel shafts with their corresponding teeth on the same plane.
Parts of a Sprocket
- Number of Teeth - The total number of teeth (projections) around the whole circumference of a sprocket
- Pitch Diameter (PD) - An imaginary circle which is traced by the center of the chain pins when the sprocket rotates while meshed with a chain
- Pitch - The amount of pitch diameter in inches per tooth. Gears with a larger pitch will have bigger teeth
When to Replace?
- Check how well the chain meshes with the sprocket teeth. In a healthy chain and sprocket combo, the individual chain rollers align perfectly with the spaces between the sprocket teeth and fit down into those U-shaped grooves evenly
- Look closely at the sprocket teeth to see if they have become sharp at the tips and/or slightly curled. The teeth on a new sprocket are straight and have a flat or domed shape at the tip, If the teeth are sharp, the sprocket is worn
Drive Chain Types
Pros:
- Lightweight
- Best for racing
- No loss of power
- Little to no friction
Cons:
- Wears quickly
- Stretches faster
- No internal lubrication
Pros:
- Longer Life
- Great sealant
- Internal lubrication
Cons:
- Heavy
- Most friction
- Less horsepower
Pros:
- Low friction
- Longest lifespan
- Internal lubrication
- Increased efficiency over O-Ring
Cons:
- Heavy
- Expensive
Michael Keith
Reviewed in the United States on March 8, 2025
Had to pick up some tools to get this installed but the last chain on my 97 Polaris Scrambler 500 came loose and sheared the old sprockets on it's way out so this has been a perfect upgrade after installation without any issues since.
Itsfred
Reviewed in the United States on August 4, 2024
Fast shipping, perfect fit. Seem to be high quality
Elvis Cameron
Reviewed in Canada on August 27, 2024
Très bon pour le prix
Robert Sinden
Reviewed in the United States on December 22, 2024
Great quality
DJ
Reviewed in Canada on April 23, 2024
Was delivered as promised. Fits great and looks to be of good quality. Have yet to ride with the new set as waiting for parts to finish project.
trent peters
Reviewed in Canada on May 3, 2023
Was missing master link
Dustin
Reviewed in the United States on September 29, 2022
Got it for my daughters 4 wheeler waited a while to review and it works great been about 2 months with no issues
Darld Anderson
Reviewed in the United States on November 21, 2022
Quick shipping and it fit great, seems to Be a great product so far.
Carl
Reviewed in Canada on July 21, 2021
Bolted on fine , chain good. Now need to out hours on the quad. Mud, water etc etc
67jeepstergirl
Reviewed in the United States on May 24, 2021
Cheap junk. Don't even look useable. Sprocket teeth were all uneven.just junk
Jennnifer Sabourin
Reviewed in Canada on November 30, 2021
Easy to put on. Nice fit
Captain test it all
Reviewed in the United States on April 24, 2021
Fit perfect everything was great minus they forgot my masterlink but I had a few laying around so no biggie everything was great
steven murphy
Reviewed in the United States on April 21, 2021
Perfect fit on my 1999 Scrambler 500. Drive sprocket is a little thinner than OEM but it worked fine. Chain came with a tube of chain lube too. Shipping was days earlier than promised which was a plus. Seems to be good quality, but time will tell.
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